Korea Photovoltaics HexagonalBoronNitride LFM #Materials VortexCore Mechanical ElectrostaticForceMicroscopy Tapping CuParticle amplitude_modulation Bacteria pulsed_laser_deposition PpLdpe membrane Growing Optoelectronic Microchannel Pattern Water EFMAmplitude CalciumHydroxide BloodCell Indium_tin_oxide HfO2 vertical_PFM TappingMode ContactModeDot Deposition mechanical property Self-assembledMonolayer TungstenDeposition GlassTemperature PS_PVAC Roughness